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A9.1
A9.1
SINR, ACS, blocking levels or intermodulation thresholds are defined by 3GPP/ETSI for a given desensitization. These values are used for compliance testing to the specifications.

As an example, in GSM, tests related to blocking are performed with a desensitization of 20 dB for the two first adjacent channels, and of 3 dB for the following ones. In UMTS and LTE, the following table applies.


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T068
T068
Table 68: Desensitization considered for testing ACS and blocking levels

 

1st adjacent
5 MHz block

Following adjacent
5 MHz blocks

Adjacent narrowband
interferer

UMTS BS

6 dB

6 dB

6 dB

LTE BS

6 dB

6 dB

6 dB

UMTS UE

14 dB

3 dB

10 dB

LTE UE

14 dB

6 to 9 dB[1]

13 to 16 dB6

 

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